AHS3-US Version: DocId: 02.540 AHS3-US_HIO_v02.
AHS3-US Hardware Interface Overview 2 Document Name: AHS3-US Hardware Interface Overview Version: 02.540 Date: 2012-09-05 DocId: AHS3-US_HIO_v02.540 Status Confidential / Preliminary GENERAL NOTE THE USE OF THE PRODUCT INCLUDING THE SOFTWARE AND DOCUMENTATION (THE "PRODUCT") IS SUBJECT TO THE RELEASE NOTE PROVIDED TOGETHER WITH PRODUCT. IN ANY EVENT THE PROVISIONS OF THE RELEASE NOTE SHALL PREVAIL. THIS DOCUMENT CONTAINS INFORMATION ON CINTERION PRODUCTS.
AHS3-US Hardware Interface Overview Contents 39 Contents 1 Introduction ................................................................................................................. 6 1.1 Related Documents ........................................................................................... 6 1.2 Terms and Abbreviations ................................................................................... 6 1.3 Regulatory and Type Approval Information ............................................
AHS3-US Hardware Interface Overview Tables 4 Tables Table 1: Table 2: Table 3: Table 4: Table 5: Table 6: Table 7: Table 8: Table 9: Table 10: Table 11: Directives ......................................................................................................... 9 Standards of North American type approval .................................................... 9 Requirements of quality ...................................................................................
AHS3-US Hardware Interface Overview Figures 5 Figures Figure 1: Figure 2: Figure 3: Figure 4: Figure 5: Figure 6: Figure 7: Figure 8: Figure 9: Figure 10: Figure 11: AHS3-US system overview ............................................................................ Decoupling capacitor(s) for BATT+................................................................ USB circuit ..................................................................................................... Serial interface ASC0.......
AHS3-US Hardware Interface Overview 1 Introduction 13 1 Introduction The document1 describes the hardware of the AHS3-US module, designed to connect to a cellular device application and the air interface. It helps you quickly retrieve interface specifications, electrical and mechanical details and information on the requirements to be considered for integrating further components. 1.
AHS3-US Hardware Interface Overview 1.2 Terms and Abbreviations 13 Abbreviation Description DTMF Dual Tone Multi Frequency DTX Discontinuous Transmission EDGE Enhanced Data rates for GSM Evolution EFR Enhanced Full Rate EGSM Enhanced GSM EMC Electromagnetic Compatibility ERP Effective Radiated Power ESD Electrostatic Discharge ETS European Telecommunication Standard ETSI European Telecommunications Standards Institute FCC Federal Communications Commission (U.S.
AHS3-US Hardware Interface Overview 1.
AHS3-US Hardware Interface Overview 1.3 Regulatory and Type Approval Information 13 1.3 Regulatory and Type Approval Information 1.3.1 Directives and Standards AHS3-US has been designed to comply with the directives and standards listed below.
AHS3-US Hardware Interface Overview 1.3 Regulatory and Type Approval Information 13 Table 4: Standards of the Ministry of Information Industry of the People’s Republic of China SJ/T 11363-2006 “Requirements for Concentration Limits for Certain Hazardous Substances in Electronic Information Products” (2006-06). SJ/T 11364-2006 “Marking for Control of Pollution Caused by Electronic Information Products” (2006-06).
AHS3-US Hardware Interface Overview 1.3 Regulatory and Type Approval Information 13 1.3.2 SAR requirements specific to portable mobiles Mobile phones, PDAs or other portable transmitters and receivers incorporating a GSM module must be in accordance with the guidelines for human exposure to radio frequency energy. This requires the Specific Absorption Rate (SAR) of portable AHS3-US based applications to be evaluated and approved for compliance with national and/or international regulations.
AHS3-US Hardware Interface Overview 1.3 Regulatory and Type Approval Information 13 1.3.3 SELV Requirements The power supply connected to the AHS3-US module shall be in compliance with the SELV requirements defined in EN 60950-1. 1.3.4 Safety Precautions The following safety precautions must be observed during all phases of the operation, usage, service or repair of any cellular terminal or mobile incorporating AHS3-US.
AHS3-US Hardware Interface Overview 1.3 Regulatory and Type Approval Information 13 IMPORTANT! Cellular terminals or mobiles operate using radio signals and cellular networks. Because of this, connection cannot be guaranteed at all times under all conditions. Therefore, you should never rely solely upon any wireless device for essential communications, for example emergency calls.
AHS3-US Hardware Interface Overview 2 Product Concept 17 2 Product Concept 2.
AHS3-US Hardware Interface Overview 2.
AHS3-US Hardware Interface Overview 2.1 Key Features at a Glance 17 Feature Implementation Firmware update Generic update from host application over ASC0 or USB Interfaces Module interface Surface mount device with solderable connection pads (SMT application interface). Land grid array (LGA) technology ensures high solder joint reliability and provides the possibility to use an optional module mounting socket. For more information on how to integrate SMT modules see also [5].
AHS3-US Hardware Interface Overview 2.2 AHS3-US System Overview 17 Feature Implementation Evaluation kit Evaluation module AHS3-US module soldered onto a dedicated PCB that can be connected to an adapter in order to be mounted onto the DSB75. DSB75 DSB75 Development Support Board designed to test and type approve Cinterion Wireless Modules and provide a sample configuration for application engineering. A special adapter is required to connect the AHS3-US evaluation module to the DSB75.
AHS3-US Hardware Interface Overview 3 Application Interface 27 3 Application Interface AHS3-US is equipped with an SMT application interface that connects to the external application. The host interface incorporates several sub-interfaces described in the following sections: • • • • • • • Operating modes - see Section 3.1 Power supply - see Section 3.2 Serial interface USB - see Section 3.3 Serial interface ASC0 - Section 3.4 UICC/SIM/USIM interface - see Section 3.
AHS3-US Hardware Interface Overview 3.1 Operating Modes 27 3.1 Operating Modes The table below briefly summarizes the various operating modes referred to in the following chapters. Table 6: Overview of operating modes Mode Function Normal GSM / operation GPRS / UMTS / HSPA SLEEP Power saving set automatically when no call is in progress and the USB connection is suspended by host or not present and no active communication via ASC0.
AHS3-US Hardware Interface Overview 3.2 Power Supply 27 3.2 Power Supply AHS3-US needs to be connected to a power supply at the SMT application interface - 6 lines each BATT+ and GND. There are three separate voltage domains for BATT+: • BATT+_WCDMA with 2 lines for the WCDMA power amplifier supply • BATT+_GSM with 2 lines for the GSM power amplifier supply • BATT+ with 2 lines for the general power management.
AHS3-US Hardware Interface Overview 3.3 USB Interface 27 3.3 USB Interface AHS3-US supports a USB 2.0 High Speed (480Mbit/s) device interface that is Full Speed (12Mbit/s) compliant. The USB interface is primarily intended for use as command and data interface and for downloading firmware. The USB host is responsible for supplying the VUSB_IN line. This line is for voltage detection only. The USB part (driver and transceiver) is supplied by means of BATT+.
AHS3-US Hardware Interface Overview 3.4 Serial Interface ASC0 27 3.4 Serial Interface ASC0 AHS3-US offers an 8-wire unbalanced, asynchronous modem interface ASC0 conforming to ITU-T V.24 protocol DCE signalling. The electrical characteristics do not comply with ITU-T V.28. The significant levels are 0V (for low data bit or active state) and 1.8V (for high data bit or inactive state). AHS3-US is designed for use as a DCE.
AHS3-US Hardware Interface Overview 3.4 Serial Interface ASC0 27 Table 7: DCE-DTE wiring of ASC0 V.24 circuit DCE DTE Line function Signal direction Line function Signal direction 103 TXD0 Input TXD Output 104 RXD0 Output RXD Input 105 RTS0 Input RTS Output 106 CTS0 Output CTS Input 108/2 DTR0 Input DTR Output 107 DSR0 Output DSR Input 109 DCD0 Output DCD Input 125 RING0 Output RING Input AHS3-US_HIO_v02.
AHS3-US Hardware Interface Overview 3.5 UICC/SIM/USIM Interface 27 3.5 UICC/SIM/USIM Interface AHS3-US has an integrated UICC/SIM/USIM interface compatible with the 3GPP 31.102 and ETSI 102 221. This is wired to the host interface in order to be connected to an external SIM card holder. Five pads on the SMT application interface are reserved for the SIM interface. The UICC/SIM/USIM interface supports 3V and 1.8V SIM cards.
AHS3-US Hardware Interface Overview 3.5 UICC/SIM/USIM Interface 27 open: Card removed closed: Card inserted Module Board-to-board connector CCIN CCRST 1n SIM / UICC CCCLK CCGND CCIO CCVCC 220n Figure 5: UICC/SIM/USIM interface The total cable length between the SMT application interface pads pins on AHS3-US and the pins of the external SIM card holder must not exceed 100mm in order to meet the specifications of 3GPP TS 51.010-1 and to satisfy the requirements of EMC compliance.
AHS3-US Hardware Interface Overview 3.6 Analog Audio Interface 27 3.6 Analog Audio Interface AHS3-US has an analog audio interface with a balanced analog microphone input and a balanced analog earpiece output. A supply voltage and an analog ground connection are provided at dedicated pins. AHS3-US offers six audio modes which can be selected with the AT^SNFS command. The electrical characteristics of the voiceband part vary with the audio mode.
AHS3-US Hardware Interface Overview 4 GPS Receiver 27 4 GPS Receiver AHS3-US integrates a GPS receiver that offers the full performance of GPS technology. The GPS receiver is able to continuously track all satellites in view, thus providing accurate satellite position data. The integrated GPS receiver supports the NMEA protocol via USB or ASC0 interface. NMEA is a combined electrical and data specification for communication between various (marine) electronic devices including GPS receivers.
AHS3-US Hardware Interface Overview 5 Antenna Interfaces 31 5 Antenna Interfaces 5.1 GSM/UMTS Antenna Interface The AHS3-US RF antenna interface comprises a main GSM/UMTS antenna as well as an optional UMTS Rx diversity antenna to improve signal reliability and quality1. The RF interface has an impedance of 50. AHS3-US is capable of sustaining a total mismatch at the antenna without any damage, even when transmitting at maximum RF power.
AHS3-US Hardware Interface Overview 5.1 GSM/UMTS Antenna Interface 31 5.1.1 Antenna Installation The antenna is connected by soldering the antenna pads (ANT_WGSM; ANT_DRX) and their neighboring ground pads directly to the application’s PCB. The distance between the antenna pads and their neighboring GND pads has been optimized for best possible impedance. To prevent mismatch, special attention should be paid to these pads on the application’ PCB.
AHS3-US Hardware Interface Overview 5.2 GPS Antenna Interface 31 5.2 GPS Antenna Interface In addition to the RF antenna interface AHS3-US also has a GPS antenna interface. The GPS antenna installation and connector are the same as for the RF antenna interface (see Section 5.1.1 ). It is possible to connect active or passive GPS antennas. In either case they must have 50Ohm impedance. The simultaneous operation of GSM and GPS has been implemented.
AHS3-US Hardware Interface Overview 5.2 GPS Antenna Interface 31 Figure 7 shows sample circuits realizing ESD protection for a passive GPS antenna. Module SMT interface VGPS 47pF Not used ANT_GPS_DC (Optional) 0R ESD protection Passive GPS antenna 10nH ANT_GPS 2p2 Figure 7: ESD protection for passive GPS antenna AHS3-US_HIO_v02.
AHS3-US Hardware Interface Overview 6 Mechanics 33 6 Mechanics 6.1 Mechanical Dimensions of AHS3-US Figure 8 shows a 3D view1 of AHS3-US and provides an overview of the board's mechanical dimensions. For further details see Figure 9. Length: Width: Height: 33mm 29mm 2.1mm Top view Bottom view Figure 8: AHS3-US – top and bottom view 1. The coloring of the 3D view does not reflect the module’s real color. AHS3-US_HIO_v02.
AHS3-US Hardware Interface Overview 6.1 Mechanical Dimensions of AHS3-US 33 Internal use; Not to be soldered Figure 9: Dimensions of AHS3-US (all dimensions in mm) AHS3-US_HIO_v02.
AHS3-US Hardware Interface Overview 7 Sample Application 35 7 Sample Application Figure 10 shows a typical example of how to integrate an AHS3-US module with an application. The audio interface demonstrates the balanced connection of microphone and earpiece. This solution is particularly well suited for internal transducers. The PWR_IND line is an open collector that needs an external pull-up resistor which connects to the voltage supply VCC µC of the microcontroller.
AHS3-US Hardware Interface Overview 7 Sample Application 35 AHS3 Current limiter <60mA ANT_GSM VGPS ANT_DRX ANT_GPS BC847 47k 47k 2 EMERG_RST BC847 2 2 VCC µC 100k PWR_IND VDD (1.8V) VEXT (1.8V) 100µF ...220µF ultra low ESR VDDLP 10µF VCC µC V CCA 8 OE 470R VCCB 1k 1µF FB* 1µF FB* 8 Level Controller 1k 2 FB* CCIN EPP CCRST CCCLK AGND 220nF 1nF Figure 10: AHS3-US sample application AHS3-US_HIO_v02.
AHS3-US Hardware Interface Overview 8 Reference Approval 37 8 Reference Approval 8.1 Reference Equipment for Type Approval The Cinterion Wireless Modules reference setup submitted to type approve AHS3-US is shown in the following figure1. The module (i.e., the evaluation module) is connected to the DSB75 via a special adapter and either mounted directly onto the adapter or connected using a flex cable: A udio test equipm ent V otronic handset an alo ga ud io D etail: If u sin g Hirose U .
AHS3-US Hardware Interface Overview 8.2 Compliance with FCC and IC Rules and Regulations 37 8.2 Compliance with FCC and IC Rules and Regulations The Equipment Authorization Certification for the Cinterion Wireless Modules reference application described in Section 8.
AHS3-US Hardware Interface Overview 9 Appendix 39 9 Appendix 9.1 List of Parts and Accessories Table 10: List of parts and accessories Description Supplier Ordering information AHS3-US Cinterion Standard module Cinterion Wireless Modules IMEI: Ordering number: L30960-N3010-A300 AHS3-US Evaluation Module Cinterion Ordering number: TBD.
AHS3-US Hardware Interface Overview 9.1 List of Parts and Accessories 39 Table 11: Molex sales contacts (subject to change) Molex For further information please click: http://www.molex.com Molex Deutschland GmbH Otto-Hahn-Str. 1b 69190 Walldorf Germany Phone: +49-6227-3091-0 Fax: +49-6227-3091-8100 Email: mxgermany@molex.com American Headquarters Lisle, Illinois 60532 U.S.A. Phone: +1-800-78MOLEX Fax: +1-630-969-1352 Molex China Distributors Beijing, Room 1311, Tower B, COFCO Plaza No.
